8 FUNCTIONS
8.9 Firmware Update Function
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Precautions
• After completing a firmware update, turn off and on the power supply of the I/O module. Note that because restoration
processing is performed when restarting after a firmware update, compared to normal start, it may take time for the I/O
module to start (RUN LED on).
• A firmware update cannot be performed on an I/O module with data link established. To perform a firmware update on the I/
O module, do not connect the I/O module with the master station. If a firmware update is performed on an I/O module with
data link established, in the error information of the firmware update information window, Firmware update failure (error
code: 0004H) is displayed.
• If an error has occurred during a firmware update, before attempting the firmware update again, turn off and on the power
supply of the I/O module, or perform remote reset.
• Do not perform a firmware update on I/O modules simultaneously with multiple CC-Link IE TSN Firmware Update Tools.
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